Zobrazeno 1 - 10
of 25
pro vyhledávání: '"EDWARD A. BOETTNER"'
Autor:
Edward A. Boettner, Janet A. Sweetman
Publikováno v:
Journal of Chromatography A. 236:127-136
The structure-sensitivity relationship of polybrominated biphenyls analyzed by an electron-capture detector was investigated. The greates variations i n sensitivity with positional isomerism occurred for the least brominated isomers and for polybromi
Autor:
Edward A. Boettner, Gwendolyn L. Ball
Publikováno v:
Pure and Applied Chemistry. 53:597-601
The decomposition products that are evolved when heating or biiThiiipolyvinyl chloride or its plastics, both in air and in the absence of air, have been analyzed by several investigators. In recent years, much of this work has been directed to those
Autor:
Edward A. Boettner, Janet A. Sweetman
Publikováno v:
Journal of Chromatography A. 212:115-120
The specific detection of halogenated organics is of considerable interest to environmental scientists. Low levels of organochlorine pesticides, polychlorinated biphenyls (PCBs), and polybrominated biphenyls (PBBs) entering the environment are import
Autor:
Edward A. Boettner, Gwendolyn L. Ball
Publikováno v:
American Industrial Hygiene Association Journal. 41:513-522
Thermal degradation products of polyvinyl chloride (PVC) food-wrap films were studied under simulated supermarket conditons using a commercial wrapping machine with either a hot wire or a cool rod cutting device. A sampling hood was constructed aroun
Autor:
Frank C. Dallos, Edward A. Boettner
Publikováno v:
American Industrial Hygiene Association Journal. 26:289-293
This paper is a report of an investigation establishing the sensitivity of gas chromatography and infrared techniques for the chlorinated aliphatic hydrocarbons listed in the booklet “Threshold Limit Values for 1963.” The gas chromatographic meas
Publikováno v:
Journal of Applied Polymer Science. 13:377-391
Publikováno v:
American Industrial Hygiene Association Journal. 31:572-578
The volatile combustion products of four polyphenylene oxide samples have been qualitatively and quantitatively determined under various conditions of temperature and air supply. Carbon dioxide and carbon monoxide are the major volatile products, acc
Publikováno v:
American Industrial Hygiene Association Journal. 34:193-199
Quantitative differential thermal analysis has been used to analyze mine and foundry dust samples varying in size from 40 to 2 mg. As little as 1% quartz has been determined in 2-mg samples by use of a specially modified microholder. Sandwiching tech
Autor:
Gwendolyn L. Ball, Edward A. Boettner
Publikováno v:
Journal of Applied Polymer Science. 16:855-863
Thermal analysis of polycarbonate and polysulfone has shown each plastic to undergo a two-step decomposition, the first step involving production of high-boiling chain scission and volatile products, the second resulting, in addition, in production o
Publikováno v:
Archives of Environmental Health: An International Journal. 20:37-44
Differential thermal analysis (DTA) was evaluated for the determination of quartz after comparing it with other methods now in use. The effect of particle size on peak height was studied by preparing calibration curves for sized quartz in silicon car